Question 5

(Multiple Choice)

You have researched outbreaks of West Nile virus.You see a pattern whereby the numbers of incidences of outbreaks increases ten days after a period of precipitation in which daily temperature is below 20 degrees Celsius,soil moisture is between 50% to 65%,and relative humidity is above 60% over a continuous period of 5 days.What can you conclude from these data?


A) You can conclude that these environmental factors are why West Nile virus outbreaks increase.
B) You can conclude that these environmental factors are correlated with an increase in the number of West Nile virus outbreaks.
C) You can conclude that these environmental variables are correlated with an increase in the number of west nile virus outbreaks and prove the causal relationship.
D) You can conclude that west nile virus is not affected by abiotic variables.

Answer